OpenTechnical

OT-2026-000020357

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000020357) never changes.

Identity and time

Publication numberOT-2026-000020357 · never reused
Internal UUID01a0ae6f-437b-77a2-9f0e-4589610abcea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020357
StatusPUBLIC

Content hashes

Canonical text19e7b2bc60f928f3ea8f6f45ce618f406d7e06113cec5d4a9184943454410da2
Markdown63a02756806c6ef107f87bb95b49e6dbba7495a6fec9de21d353239be71208ca
PDF
Publication pageab6e7b1d03077604c6e0a822be91d2e48e189d1eb1985d63b80b5ea57c6a8c8b
Manifest8401f53512cc850478edafed29daf612b2066b51570b4c2aca7c983f42b11bef

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureGtffPhvgJDdckpb7WNbClpP42C1fVG9Atq8d5BzXrbQpLsSvvCEqoCK4OM9yGJJF44pMFkJTvLQTB/0Hk1QQCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:00:09.207029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020357
observed ab6e7b1d03077604c6e0a822be91d2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.175800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020357/manifest.json
observed 8401f53512cc850478edafed29daf612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.146229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020357/publication.md
observed 63a02756806c6ef107f87bb95b49e6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.123482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020357/publication.txt
observed 19e7b2bc60f928f3ea8f6f45ce618f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.165395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020357
observed ab6e7b1d03077604c6e0a822be91d2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.147407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020357/manifest.json
observed 8401f53512cc850478edafed29daf612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.130199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020357/publication.md
observed 63a02756806c6ef107f87bb95b49e6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.113075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020357/publication.txt
observed 19e7b2bc60f928f3ea8f6f45ce618f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.